package zhouyang;

import java.util.concurrent.BrokenBarrierException;
import java.util.concurrent.CyclicBarrier;

/**
 * juc辅助类CyclicBarrier()数到多少才开始，做加法
 */
public class CyclicBarrierDemo {

    public static void main(String[] args) {
        CyclicBarrier cyclicBarrier = new CyclicBarrier(7,()->{
            System.out.println("召唤神龙");});
        for (int i = 1; i <=7; i++) {
           int tempInt = i;
            new Thread(()->{
                System.out.println(Thread.currentThread().getName()+"\t收集到第："+tempInt+"颗龙珠");
           try {
               cyclicBarrier.await();
           }catch (InterruptedException e){
               e.printStackTrace();
           }catch (BrokenBarrierException e){
               e.printStackTrace();
           }
            },String.valueOf(i)).start();
        }
    }
}
